> ## Documentation Index > Fetch the complete documentation index at: https://developers.telnyx.com/llms.txt > Use this file to discover all available pages before exploring further. # Commands and Resources > Reference of Telnyx Voice API commands and resources — calls, conferences, recordings, transcriptions — with usage patterns and lifecycle examples. The following endpoints can be used with the Voice API applications. ## Call | Endpoint | Description | | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------ | | [/v2/calls](/api-reference/call-commands/dial) | Initiate a new call | | [/v2/calls/:call\_control\_id/actions/answer](/api-reference/call-commands/answer-call) | Answer an incoming call | | [/v2/calls/:call\_control\_id/actions/fork\_start](/api-reference/call-commands/forking-start) | Start a media fork for a call | | [/v2/calls/:call\_control\_id/actions/fork\_stop](/api-reference/call-commands/forking-stop) | Stop a media fork for a call | | [/v2/calls/:call\_control\_id/actions/hangup](https://developers.telnyx.com/docs/voice/programmable-voice/texml-verbs/hangup/index#hangup) | Terminate a call | | [/v2/calls/:call\_control\_id/actions/reject](/api-reference/call-commands/reject-a-call) | Reject an incoming call | | [/v2/calls/:call\_control\_id/actions/transfer](/api-reference/call-commands/transfer-call) | Transfer a call to another destination | | [/v2/calls/:call\_control\_id/actions/suppression\_start](/api-reference/call-commands/noise-suppression-start-beta) | Start noise suppression for a call | | [/v2/calls/:call\_control\_id/actions/suppression\_stop](/api-reference/call-commands/noise-suppression-stop-beta) | Stop noise suppression for a call | | [/v2/calls/:call\_control\_id/actions/client\_state\_update](/api-reference/call-commands/update-client-state) | Update client state information for a call | | [/v2/calls/:call\_control\_id/actions/bridge](/api-reference/call-commands/bridge-calls) | Bridge a call with another destination | | [/v2/calls/:call\_control\_id/actions/ai\_assistant\_start](/api-reference/call-commands/start-ai-assistant) | Start an AI assistant on the call | | [/v2/calls/:call\_control\_id/actions/ai\_assistant\_stop](/api-reference/call-commands/stop-ai-assistant) | Stop an AI assistant on the call | | [/v2/calls/:call\_control\_id/actions/enqueue](/api-reference/call-commands/enqueue-call) | Add a call to a queue | | [/v2/calls/:call\_control\_id/actions/leave\_queue](/api-reference/call-commands/remove-call-from-a-queue) | Remove a call from a queue | | [/v2/calls/:call\_control\_id/actions/gather\_using\_audio](/api-reference/call-commands/gather-using-audio) | Play an audio file on the call until the required DTMF signals are gathered to build interactive menus | | [/v2/calls/:call\_control\_id/actions/gather\_using\_speak](/api-reference/call-commands/gather-using-speak) | Play a speech on the call until the required DTMF signals are gathered to build interactive menus | | [/v2/calls/:call\_control\_id/actions/gather\_using\_ai](/api-reference/call-commands/gather-using-ai) | Collect request information using AI agent | | [/v2/calls/:call\_control\_id/actions/gather\_stop](/api-reference/call-commands/gather-stop) | Stop an ongoing gather operation | | [/v2/calls/:call\_control\_id/actions/playback\_start](/api-reference/call-commands/play-audio-url) | Start playing audio to a call | | [/v2/calls/:call\_control\_id/actions/playback\_stop](/api-reference/call-commands/stop-audio-playback) | Stop playing audio to a call | | [/v2/calls/:call\_control\_id/actions/record\_start](/api-reference/call-commands/recording-start) | Start recording a call | | [/v2/calls/:call\_control\_id/actions/record\_stop](/api-reference/call-commands/recording-stop) | Stop recording a call | | [/v2/calls/:call\_control\_id/actions/record\_pause](/api-reference/call-commands/record-pause#record-pause) | Pause recording a call | | [/v2/calls/:call\_control\_id/actions/record\_resume](/api-reference/call-commands/record-resume#record-resume) | Resume recording a call | | [/v2/calls/:call\_control\_id/actions/refer](/api-reference/call-commands/sip-refer-a-call) | Send a SIP REFER request for a call | | [/v2/calls/:call\_control\_id/actions/send\_dtmf](/api-reference/call-commands/send-dtmf) | Send DTMF tones to a call | | [/v2/calls/:call\_control\_id/actions/send\_sip\_info](/api-reference/call-commands/send-sip-info) | Send a SIP INFO message for a call | | [/v2/calls/:call\_control\_id/actions/speak](/api-reference/call-commands/speak-text) | Speak text to a call | | [/v2/calls/:call\_control\_id/actions/streaming\_start](/api-reference/call-commands/streaming-start) | Start media streaming for a call | | [/v2/calls/:call\_control\_id/actions/streaming\_stop](/api-reference/call-commands/streaming-stop) | Stop media streaming for a call | | [/v2/calls/:call\_control\_id/actions/transcription\_start](/api-reference/call-commands/transcription-start) | Start transcription for a call | | [/v2/calls/:call\_control\_id/actions/transcription\_stop](/api-reference/call-commands/transcription-stop) | Stop transcription for a call | | [/v2/calls/:call\_control\_id/actions/siprec\_start](/api-reference/call-commands/siprec-start) | Start SIPREC recording for a call | | [/v2/calls/:call\_control\_id/actions/siprec\_stop](/api-reference/call-commands/siprec-stop) | Stop SIPREC recording for a call | | [/v2/connections/:connection\_id/active\_calls](/api-reference/call-information/list-all-active-calls-for-given-connection#list-all-active-calls-for-given-connection) | List all active calls for given connection | | [/v2/calls/:call\_control\_id](/api-reference/call-information/retrieve-a-call-status#retrieve-a-call-status) | Retrieve a call status | ## Call events | Endpoint | Description | | ------------------------------------------------------------------------------ | ----------------------------------------------- | | [/v2/call\_events](/api-reference/debugging/list-call-events#list-call-events) | Provide a list of call events based on a filter | ## Conference | Endpoint | Description | | ---------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------ | | [/v2/conferences](/api-reference/conference-commands/list-conferences) | List all conferences | | [/v2/conferences/:id](/api-reference/conference-commands/retrieve-a-conference) | Get details of a specific conference | | [/v2/conferences/:id/participants](/api-reference/conference-commands/list-conference-participants) | List participants in a conference | | [/v2/conferences/:id/participants/:participant\_id](/api-reference/conference-commands/update-conference-participant) | Update a participant in a conference | | [/v2/conferences](/api-reference/conference-commands/create-conference) | Create a new conference | | [/v2/conferences/:id/actions/join](/api-reference/conference-commands/join-a-conference) | Join a call to a conference | | [/v2/conferences/:id/actions/leave](/api-reference/conference-commands/leave-a-conference) | Remove a call from a conference | | [/v2/conferences/:id/actions/record\_start](/api-reference/conference-commands/conference-recording-start) | Start recording a conference | | [/v2/conferences/:id/actions/record\_stop](/api-reference/conference-commands/conference-recording-stop) | Stop recording a conference | | [/v2/conferences/:id/actions/record\_pause](/api-reference/conference-commands/conference-recording-pause) | Pause recording a conference | | [/v2/conferences/:id/actions/record\_resume](/api-reference/conference-commands/conference-recording-resume) | Resume recording a conference | | [/v2/conferences/:id/actions/mute](/api-reference/conference-commands/mute-conference-participants) | Mute all participants in a conference | | [/v2/conferences/:id/actions/unmute](/api-reference/conference-commands/unmute-conference-participants) | Unmute all participants in a conference | | [/v2/conferences/:id/actions/hold](/api-reference/conference-commands/hold-conference-participants#hold-conference-participants) | Put all participants on hold in a conference | | [/v2/conferences/:id/actions/unhold](/api-reference/conference-commands/unhold-conference-participants#unhold-conference-participants) | Remove hold for all participants in a conference | | [/v2/conferences/:id/actions/play](/api-reference/conference-commands/play-audio-to-conference-participants) | Play audio to a conference | | [/v2/conferences/:id/actions/speak](/api-reference/conference-commands/speak-text-to-conference-participants#speak-text-to-conference-participants) | Speak text to a conference | | [/v2/conferences/:id/actions/stop](/api-reference/conference-commands/stop-audio-being-played-on-the-conference#stop-audio-being-played-on-the-conference) | Stop all ongoing activities in a conference | | [/v2/conferences/:id/actions/update](/api-reference/conference-commands/update-conference-participant) | Update conference participant | ## Connection | Endpoint | Description | | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------- | | [/v2/connections/:connection\_id/active\_calls](/api-reference/call-information/list-all-active-calls-for-given-connection#list-all-active-calls-for-given-connection) | List active calls for a connection | ## Queue | Endpoint | Description | | ------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------- | | [/v2/queues/:queue\_name](/api-reference/queue-commands/retrieve-a-call-from-a-queue#retrieve-a-call-from-a-queue) | Get details of a specific queue | | [/v2/queues/:queue\_name/calls](/api-reference/queue-commands/retrieve-calls-from-a-queue#retrieve-calls-from-a-queue) | List calls in a queue | | [/v2/queues/:queue\_name/calls/:call\_control\_id](/api-reference/queue-commands/retrieve-a-call-from-a-queue#retrieve-a-call-from-a-queue) | Get details of a call in a queue | ## Recording | Endpoint | Description | | ------------------------------------------------------------------------------ | ----------------------------------- | | [/v2/recordings](/api-reference/call-recordings/list-all-call-recordings) | List all recordings | | [/v2/recordings/:id](/api-reference/call-recordings/retrieve-a-call-recording) | Get details of a specific recording | | [/v2/recordings/:id](/api-reference/call-recordings/delete-a-call-recording) | Delete a recording | ## Custom storage | Endpoint | Description | | -------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------- | | [/v2/custom\_storage\_credentials](/api-reference/call-recordings/create-a-custom-storage-credential) | Create custom storage credentials | | /v2/custom\_storage\_credentials | List all custom storage credentials | | [/v2/custom\_storage\_credentials/:id](/api-reference/call-recordings/retrieve-a-stored-credential#retrieve-a-stored-credential) | Get details of a specific custom storage credential | | [/v2/custom\_storage\_credentials/:id](/api-reference/call-recordings/delete-a-stored-credential#delete-a-stored-credential) | Delete a custom storage credential | ## Recording transcription | Endpoint | Description | | -------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------- | | [/v2/recordings/:recording\_id/transcriptions](/api-reference/call-recordings/list-all-recording-transcriptions#list-all-recording-transcriptions) | List all transcriptions for a recording | | [/v2/recordings/:recording\_id/transcriptions/:id](/api-reference/call-recordings/retrieve-a-recording-transcription#retrieve-a-recording-transcription) | Get details of a specific recording transcription | | [/v2/recordings/:recording\_id/transcriptions/:id](/api-reference/texml-rest-commands/delete-a-recording-transcription#delete-a-recording-transcription) | Delete a recording transcription |